narrower concept Calixarenes PubMed MeSh Term Macrocyclic Compounds - Cyclodextrins PubMed MeSh Term Macrocyclic Compounds - Cycloparaffins PubMed MeSh Term Macrocyclic Compounds - Ethers, Cyclic PubMed MeSh Term Macrocyclic Compounds - Lactams, Macrocyclic PubMed MeSh Term Macrocyclic Compounds - Peptides, Cyclic PubMed MeSh Term Macrocyclic Compounds - Trichothecenes PubMed MeSh Term